<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <meta name="renderer" content="webkit">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
  <title>gateway 后台</title>
  <style>
    html, body {
      margin: 0;
      border: 0;
    }
  </style>
</head>
<body>
<div id="app"></div>
</body>
</html>
